RLV wrote:
I'd like to find a simple... (I'm a simple person) procedure to
subtract a numerical number from a six char date string
YYYYMMDD and then convert back to a new date string.
I'm sure there's a way to do it, but the date modules haven't been
much help.
TIA
Ron
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The datetime module has what you need.
It has methods (with examples) on building a datetime object from a
string, and it has a object named timedelta, and the ability to subtract
a timedelta from a time.
For instance, the time right now and the time exactly one day ago:
>>> from datetime import *
>>> datetime.today()
datetime.datetime(2008, 7, 10, 13, 38, 48, 279539)
>>> datetime.today()-timedelta(1)
datetime.datetime(2008, 7, 9, 13, 38, 50, 939580)
Gary Herron
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